Honeywell executives, who haven't previously discussed the project publicly, say the system uses onboard computers and navigation devices to automatically control aircraft movements on the ground.

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The cars have no human driver and no remote control system - everything from sensors to navigation is handled by an onboard computer.

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Unlike other aircraft where the pilot's controls are manually attached to the flaps and rudders, Airbus 330 airliners are equipped with a "fly by wire" system that sends electronic signals from an onboard computer to move key control surfaces.

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S-class is an example, with an onboard navigation system to map your route, radar to watch the road ahead and automatic cruise control.

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